import 'package:base_app/res/index.dart';
import 'package:fluintl/fluintl.dart';
import 'package:flutter/material.dart';

class StaticTabPage2 extends StatefulWidget {
  const StaticTabPage2({Key key, this.labelId, this.title, this.titleId})
      : super(key: key);

  final String labelId;
  final String title;
  final String titleId;

  @override
  State<StatefulWidget> createState() {
    return new StaticTabPageState2();
  }
}

class StaticTabPageState2 extends State<StaticTabPage2>
    with SingleTickerProviderStateMixin {
  TabController _controller;
  List<Tab> _tabs;

  @override
  void initState() {
    super.initState();
    _controller = TabController(initialIndex: 0, length: 3, vsync: this);
    // 定义tab文字
    _tabs = [
      Tab(text: "选项卡1"),
      Tab(text: "选项卡2"),
      Tab(text: "选项卡3"),
    ];
  }

  @override
  Widget build(BuildContext context) {
    // 子页面
    List<Widget> _children = [
      new Text("tab1"),
      new Text("tab2"),
      new Text("tab3")
    ];
    return new Scaffold(
        appBar: new AppBar(
          elevation: 0.0, //控件的zindex, 可以隐藏阴影
          title: new Text(
              widget.title ?? IntlUtil.getString(context, widget.titleId)),
          centerTitle: true, // 标题居中
          bottom: TabBar(
            indicatorWeight: 4, // 标签高度
            indicatorSize: TabBarIndicatorSize.tab, // 标签长度，等宽用tab, 实际用label
            indicatorColor: Colours.blue_light, // 选中时标签下方的颜色
            controller: _controller,
            tabs: _tabs,
          ),
        ),
        body: new TabBarView(controller: _controller, children: _children));
  }

  @override
  void dispose() {
    // for (int i = 0, length = _children.length; i < length; i++) {
    //   _children[i].bloc.dispose();
    // }
    super.dispose();
  }
}